#include<stdio.h>



int main()
{
    int i,j,t,k,s;
    printf("Following are palindrome not grater than 1000:\n");
    for(i = 0;i <= 9;i++)
    {
        for(j = 0;j <= 9;j++)
        {
            for(k = 0;k <= 9;k++)
            {
                s = i*100+j*10+k;
                t = k*100+j*10+i;
                if(i == 0 && j == 0) t/=100;
                else if(i == 0) t/=10;
                if(s > 10 && s == t && a(s))
                printf("%d\t",s);
            }
        }
    }
    return 0;
}
a(n)
int n;
{
    int i;
    for(i = 2;i <= (n-1);i++)
    {
        if(n%i == 0) return(0);
    }
    return(1);
}
//熊贤豪